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滾動展開多邊形
Author:
陳隆期
GeoGebra
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科氏力 (Coriolis Force)
龙形曲线-分形龙
中华人民共和国国旗
圓的切線方程
撒针估算面积实验
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三角形的外角和
US Unemployment 200701~201707
单晨制作水箱侧翻通用模型
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Surface
Circle
Integral Calculus
Matrices
Quadrilaterals